package com.woniuxy02;


import com.woniuxy01.Animal;
import com.woniuxy01.Cat;

class Ccc{
     void test01(){

    }

    public Animal test02(){
//        Animal animal = new Animal();
//        return animal;
        return null;
    }
}

class Ddd extends Ccc{
    @Override
    public void test01() {

    }

    @Override
    public Cat test02() {
        return null;
    }
}

public class Test02 {
}
